PageRenderTime 163ms CodeModel.GetById 101ms app.highlight 2ms RepoModel.GetById 58ms app.codeStats 0ms

/gecko_sdk/idl/nsIURL.idl

http://firefox-mac-pdf.googlecode.com/
IDL | 179 lines | 15 code | 17 blank | 147 comment | 0 complexity | 287d614d982720335dd8f6f5353cbc11 MD5 | raw file
  1/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
  2/* ***** BEGIN LICENSE BLOCK *****
  3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  4 *
  5 * The contents of this file are subject to the Mozilla Public License Version
  6 * 1.1 (the "License"); you may not use this file except in compliance with
  7 * the License. You may obtain a copy of the License at
  8 * http://www.mozilla.org/MPL/
  9 *
 10 * Software distributed under the License is distributed on an "AS IS" basis,
 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 12 * for the specific language governing rights and limitations under the
 13 * License.
 14 *
 15 * The Original Code is mozilla.org code.
 16 *
 17 * The Initial Developer of the Original Code is
 18 * Netscape Communications Corporation.
 19 * Portions created by the Initial Developer are Copyright (C) 1998
 20 * the Initial Developer. All Rights Reserved.
 21 *
 22 * Contributor(s):
 23 *   Gagan Saksena <gagan@netscape.com> (original author)
 24 *   Darin Fisher <darin@netscape.com>
 25 *
 26 * Alternatively, the contents of this file may be used under the terms of
 27 * either the GNU General Public License Version 2 or later (the "GPL"), or
 28 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 29 * in which case the provisions of the GPL or the LGPL are applicable instead
 30 * of those above. If you wish to allow use of your version of this file only
 31 * under the terms of either the GPL or the LGPL, and not to allow others to
 32 * use your version of this file under the terms of the MPL, indicate your
 33 * decision by deleting the provisions above and replace them with the notice
 34 * and other provisions required by the GPL or the LGPL. If you do not delete
 35 * the provisions above, a recipient may use your version of this file under
 36 * the terms of any one of the MPL, the GPL or the LGPL.
 37 *
 38 * ***** END LICENSE BLOCK ***** */
 39
 40#include "nsIURI.idl"
 41
 42/**
 43 * The nsIURL interface provides convenience methods that further
 44 * break down the path portion of nsIURI:
 45 *
 46 * http://host/directory/fileBaseName.fileExtension?query
 47 * http://host/directory/fileBaseName.fileExtension#ref
 48 * http://host/directory/fileBaseName.fileExtension;param
 49 *            \          \                       /
 50 *             \          -----------------------
 51 *              \                   |          /
 52 *               \               fileName     /
 53 *                ----------------------------
 54 *                            |
 55 *                        filePath
 56 *
 57 * @status FROZEN
 58 */
 59[scriptable, uuid(d6116970-8034-11d3-9399-00104ba0fd40)]
 60interface nsIURL : nsIURI
 61{
 62    /*************************************************************************
 63     * The URL path is broken down into the following principal components:
 64     */
 65
 66    /**
 67     * Returns a path including the directory and file portions of a
 68     * URL.  For example, the filePath of "http://host/foo/bar.html#baz"
 69     * is "/foo/bar.html".
 70     *
 71     * Some characters may be escaped.
 72     */
 73    attribute AUTF8String filePath;
 74
 75    /**
 76     * Returns the parameters specified after the ; in the URL. 
 77     *
 78     * Some characters may be escaped.
 79     */
 80    attribute AUTF8String param;
 81
 82    /**
 83     * Returns the query portion (the part after the "?") of the URL.
 84     * If there isn't one, an empty string is returned.
 85     *
 86     * Some characters may be escaped.
 87     */
 88    attribute AUTF8String query;
 89
 90    /**
 91     * Returns the reference portion (the part after the "#") of the URL.
 92     * If there isn't one, an empty string is returned.
 93     *
 94     * Some characters may be escaped.
 95     */
 96    attribute AUTF8String ref;
 97
 98
 99    /*************************************************************************
100     * The URL filepath is broken down into the following sub-components:
101     */
102
103    /**
104     * Returns the directory portion of a URL.  If the URL denotes a path to a
105     * directory and not a file, e.g. http://host/foo/bar/, then the Directory
106     * attribute accesses the complete /foo/bar/ portion, and the FileName is
107     * the empty string. If the trailing slash is omitted, then the Directory
108     * is /foo/ and the file is bar (i.e. this is a syntactic, not a semantic
109     * breakdown of the Path).  And hence don't rely on this for something to
110     * be a definitely be a file. But you can get just the leading directory
111     * portion for sure.
112     *
113     * Some characters may be escaped.
114     */
115    attribute AUTF8String directory;
116
117    /**
118     * Returns the file name portion of a URL.  If the URL denotes a path to a
119     * directory and not a file, e.g. http://host/foo/bar/, then the Directory
120     * attribute accesses the complete /foo/bar/ portion, and the FileName is
121     * the empty string. Note that this is purely based on searching for the
122     * last trailing slash. And hence don't rely on this to be a definite file. 
123     *
124     * Some characters may be escaped.
125     */
126    attribute AUTF8String fileName;
127
128
129    /*************************************************************************
130     * The URL filename is broken down even further:
131     */
132
133    /**
134     * Returns the file basename portion of a filename in a url.
135     *
136     * Some characters may be escaped.
137     */
138    attribute AUTF8String fileBaseName;
139
140    /**
141     * Returns the file extension portion of a filename in a url.  If a file
142     * extension does not exist, the empty string is returned.
143     *
144     * Some characters may be escaped.
145     */
146    attribute AUTF8String fileExtension;
147
148    /**
149     * This method takes a uri and compares the two.  The common uri portion
150     * is returned as a string.  The minimum common uri portion is the 
151     * protocol, and any of these if present:  login, password, host and port
152     * If no commonality is found, "" is returned.  If they are identical, the
153     * whole path with file/ref/etc. is returned.  For file uris, it is
154     * expected that the common spec would be at least "file:///" since '/' is
155     * a shared common root.
156     *
157     * Examples:
158     *    this.spec               aURIToCompare.spec        result
159     * 1) http://mozilla.org/     http://www.mozilla.org/   ""
160     * 2) http://foo.com/bar/     ftp://foo.com/bar/        ""
161     * 3) http://foo.com:8080/    http://foo.com/bar/       ""
162     * 4) ftp://user@foo.com/     ftp://user:pw@foo.com/    ""
163     * 5) ftp://foo.com/bar/      ftp://foo.com/bar         ftp://foo.com/
164     * 6) ftp://foo.com/bar/      ftp://foo.com/bar/b.html  ftp://foo.com/bar/
165     * 7) http://foo.com/a.htm#i  http://foo.com/b.htm      http://foo.com/
166     * 8) ftp://foo.com/c.htm#i   ftp://foo.com/c.htm       ftp://foo.com/c.htm
167     * 9) file:///a/b/c.html      file:///d/e/c.html        file:///
168     */
169    AUTF8String getCommonBaseSpec(in nsIURI aURIToCompare);
170
171    /**
172     * This method takes a uri and returns a substring of this if it can be
173     * made relative to the uri passed in.  If no commonality is found, the
174     * entire uri spec is returned.  If they are identical, "" is returned.
175     * Filename, query, etc are always returned except when uris are identical.
176     */
177    AUTF8String getRelativeSpec(in nsIURI aURIToCompare);
178
179};